An object is placed 10cm in front of a concave mirror of ...
An object is placed 10cm in front of a concave mirror of focal length 15cm. What is the position and nature of the image formed?
30cm and virtual
6cm and real
6cm and virtual
30cm and real
Correct answer is A
F = \(\frac{uv}{u + v}\)
15 = \(\frac{10 \times v}{10 + v}\)
v = -30cm
If the angle of declination in a place is 10°E, calculate the true geographic bearing if the com...
A voltmeter is a device that ...
Ripples on water and light waves are similar because both? ...
If a reverse-biased voltage is applied across a p-n junction, the depletion layer width is ...
What is the average velocity of the sprinter whose velocity time graph is as shown above ...
A solid weighs 10.00N in air, 6N when forcefully immersed in water, and 7.0N when fully im...